Viewing archive of Friday, 10 September 1999 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 107 -6 | 1 1 | B3.14 | C1.24 | 2 |
Sunspot regions
Region 8682 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -1 | 30 10 | CRO | N18W85 | |
Region 8689 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 1 | 10 -10 | AXX | N20W61 | |
Region 8690 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 14 6 | 40 -10 | CSO | N13E33 | |
Region 8691 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 1 | 10 -10 | BXO | S29W58 | |
Region 8692 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 4 | 340 110 | DAO | S26E48 | |
Solar flares on this day | ||||
| C1.24 | ||||
Region 8693 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 70 20 | HSX | N12E51 | |
Region 8694 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 3 | 10 10 | BXO | S16W27 | |
All times in UTC
Latest news
Thursday, 11 September 2025
Coronal hole faces Earth
Sunday, 31 August 2025
M2.7 solar flare with earth-directed CME!
Tuesday, 5 August 2025
M4.4 solar flare from sunspot region 4168
Latest forum messages
Comet C/2025 A6 (Lemmon) 72CMEs from 2025/10/03 48Coronal Hole 85 2Unspecified geomagnetic activity 3204Incoming & Unnumbered Active Regions 2108
More topicsSupport SpaceWeatherLive.com!
A lot of people come to SpaceWeatherLive to follow the Solar activity or if there is a chance to see the aurora, but with more traffic comes higher costs to keep the servers online. If you like SpaceWeatherLive and want to support the project you can choose a subscription for an ad-free site or consider a donation. With your help we can keep SpaceWeatherLive online!
Space weather facts
| Last X-flare | 2025/06/19 | X1.9 |
| Last M-flare | 2025/10/03 | M1.2 |
| Last geomagnetic storm | 2025/10/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| September 2025 | 129.8 -3.7 |
| October 2025 | 140.1 +10.3 |
| Last 30 days | 131.3 -1.2 |